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Antegrade Continence Enema를 이용한 소아 배변장애의 치료
한성식,김기홍,김대연,정성은,이성철,박귀원,김우기,Han, Sung-Sik,Kim, Ki-Hong,Kim, Dae-Yeon,Jung, Sung-Eun,Lee, Seong-Cheol,Park, Kwi-Won,Kim, Woo-Ki 대한소아외과학회 2000 소아외과 Vol.6 No.1
Fecal incontinence is not rare in children who have been operated upon for anorectal malformation, Hirschsprung's disease, and meningomyelocele. Incontinence can negatively impact on the emotional and social development of these children. Antegrade continence enema (ACE) was utilized in 9 patients with meningomyelocele from January 1998 to June 1999. Cleanliness and post-operative complications were evaluated. Three operative techniques were employed; reversed appendicocecostomy, in situ appendicostomy and neoappendicostomy with cecal flap. All of the patients achieved complete fecal cleanliness. Four patients had post-operative complications; two with stoma leakage, one with abdominal pain on irrigation and one with stoma stenosis. The leakage was minimal and the pain on irrigation improved spontaneously. The stoma stenosis required revision 6th month postoperatively. The ACE has been shown to be safe and highly effective.
식재용 블록을 이용한 옹벽 녹화 기법에 관한 연구(I) - Eco-Stone의 시공 사례를 중심으로 -
한성식,정경진,Han, Sung-Sik,Chung, Kyung-Jin 한국환경복원기술학회 1999 한국환경복원기술학회지 Vol.2 No.1
The retaining wall is a structure which was made for changing land form in many construction. The first role of the retaining wall is to maintain the slope stability. But recently, the amount of retaining wall have been increasing because of the expansion of construction works and the amenity of urban environment have been decreasing because of environmental destruction and the scenic heterogeneity. So we should consider the slope stability and ecological stability at the same time. The purpose of this study is to develop the retaining wall revegetation technology using the Eco-Stone, the structure of co-satisfying which included the slope stability and the revegetation effect. Eco-Stone is a structure which has high stability for earth pressure, settlement and drainage. And cost and term of construction works also have been decreased. Eco-Stone structure is one of factors composing the ecological network which is harmonize with surrounding environment. In this way, it is expected that the ecological habitats of various species would be restored.
한성식,김길흥,Han, Sung-Sik,Kim, Kil-Heung,Scha, Coby 한국현미경학회 1998 Applied microscopy Vol.28 No.1
The present study is undertaken to investigate the hypertrophical changes of the corpus allatum (corpora allata, CA) after the ovariectomy in Blattella germanica. In particular, the ultrastructural aspects of the normal and ovariectomized conditions, and induced factors of the hypertrophic phenomenon are focused. Ultrastructure of the CA from an immediately emergent adult is similar to that of the last larval stage that has stopped secreting juvenile hormone. The CA is composed of undifferentiated cells, exhibiting an electron-lucent matrix, a few mitochondria and less smooth endoplasmic reticulum. The karyoplasm occupy most of the cytoplasm. Electron-dense materials are filled with the intercellular spaces and gap junctions are also found. Almost no ultrastructural changes have been noticed during seven days until the oviposition. However, considerable changes in structure have been detected soon after the oviposition. Mitochondria are increased dramatically in number and cristae, and changed to the filamentous form with a high electron density. In addition, Golgi complexes, microtubules, and polysomes are also increased. After an oviposition, the total volume of the CA are decreased again. The volume of the CA are increased continuously, hypertrophy, after the ovariectomy. Morphological aspects of the CA in an early stage after the removal are similar to the structure of the secondary egg maturation. Large and electron dense globules are observed in the ovariectomized CA cytoplasms and they are present in those cells for a long period of time. Yet such a hypertrophical phenomenon occur only in the specific cells. The hypertrophy are caused by hollowing the part of the CA cells and later filling such site with polysomes. In 42 days after the ovariectomy, the nuclear membranes disappear in the CA cells, thus, exhibiting the prokaryotic-like features. Some results of the current study will contribute to the establishment of the model that explain unusual changes accompanied by certain treatment in insects and/or further in animals.